Evaluating the Global Economic Impact of Extreme Weather: Direct and Indirect Losses Attributable to Anthropogenic Climate Change
编号:37 访问权限:仅限参会人 更新:2025-10-30 16:25:29 浏览:19次 口头报告

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摘要
Existing studies on extreme event attribution (EEA) are typically event-specific. They primarily focus on direct economic losses to people and physical assets while overlooking the broader indirect losses that ripple through supply chains. Here, we combine disaster data with attribution studies and employ a global multi-regional input‒output model to assess both direct and indirect economic losses from droughts, floods, and storms attributable to anthropogenic climate change between 2009 and 2019. Our findings reveal that such extreme events cause 60.32 billion USD in direct economic losses and 65.07 billion USD in indirect economic losses annually—together accounting for about 46% of total losses from all extreme events. Climate adaptation investments are urgently needed in sectors such as manufacturing, agriculture, construction, transportation, and finance, with vulnerable regions concentrated in parts of Asia. International trade and industry linkages amplify the domestic impact of international extreme events, with 17% of China’s attributable losses stemming from disasters abroad. This suggests that overseas adaptation could yield domestic resilience benefits. This study underscores the interconnected nature of global economic resilience against climate change and supports the design of equitable, science-based international climate finance mechanisms.
关键词
Extreme weather events; Economic impact; Impact attribution; Indirect losses; Multi-regional input‒output analysis
报告人
Bowen Wang
PhD student tsinghua university

稿件作者
Bowen Wang tsinghua university
Yi He Tsinghua university
Fei Teng Tsinghua university
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重要日期
  • 会议日期

    11月20日

    2025

    11月24日

    2025

  • 11月10日 2025

    初稿截稿日期

  • 11月24日 2025

    注册截止日期

主办单位
太平洋科学协会
承办单位
Shantou University
Xiamen University
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